Question
Wilhelm Röntgen won the first Nobel Prize in Physics for the discovery of this portion of the electromagnetic spectrum. For 10 points each:
[10e] Name this high-frequency short-wavelength radiation which is often used to image bones.
ANSWER: X-ray
[10h] The SI unit of effective dose, the sievert, is equal to this other unit of radiation dose times a biological effective factor. This unit of absorbed dose is equal to one joule per kilogram.
ANSWER: gray [or Gy]
[10m] To image the esophagus, this element’s sulfate is swallowed and acts as a contrast agent. This element’s sulfate is unusually not water-soluble, and thus sometimes gastrografin is used instead.
ANSWER: barium [or Ba]
<Science - Physics>
Summary
| 2023 ACF Fall (Rutgers) | 10/14/2023 | Y | 5 | 18.00 | 100% | 80% | 0% |
Data
| Columbia A | Rutgers | 10 | 0 | 10 | 20 |
| Swarthmore A | NYU A | 10 | 0 | 10 | 20 |
| Swarthmore B | NYU B | 10 | 0 | 10 | 20 |
| University of Delaware A | Penn | 10 | 0 | 10 | 20 |
| Columbia B | University of Delaware B | 10 | 0 | 0 | 10 |